<template>
    <div id="app">
      <div class="container">
        <!-- 顶部框模块 -->
        <div class="form-group">
          <div class="input-group">
            <h4>品牌管理</h4>
          </div>
        </div>
  
        <!-- 数据表格 -->
        <table class="table table-bordered table-hover mt-2">
          <thead>
            <tr>
              <th>编号</th>
              <th>资产名称</th>
              <th>价格</th>
              <th>创建时间</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="item in list" :key="item.id">
              <td>{{ item.id }}</td>
              <td>{{ item.name }}</td>
  
              <!-- 如果价格超过100，就有red这个类 -->
              <td :class="{red: item.price >= 100}">{{ item.price }}</td>
              <td>{{ item.time }}</td>
              <td><a href="#" @click="delFn(item.id)">删除</a></td>
            </tr>
          </tbody>
            
          <tfoot v-if="!this.list.length">
            <tr>
              <td colspan="5" style="text-align: center">暂无数据</td>
            </tr>
          </tfoot>
             
        </table>
  
        <!-- 添加资产 -->
        <form class="form-inline">
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="资产名称"
                v-model="name"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="价格"
                v-model="price"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <!-- 阻止表单提交 -->
          <button class="btn btn-primary" @click.prevent="addFn">添加资产</button>
        </form>
      </div>
    </div>
  </template>
  
  <script>
  import moment from 'moment'
  export default {
    data() {
      return {
        name: "", // 名称
        price: 0, // 价格
        list: [
          { id: 100, name: "外套", price: 199, time: new Date('2010-08-12')},
          { id: 101, name: "裤子", price: 34, time: new Date('2013-09-01') },
          { id: 102, name: "鞋", price: 25.4, time: new Date('2018-11-22') },
          { id: 103, name: "头发", price: 19900, time: new Date('2020-12-12') }
        ],
      };
    },
    methods:{
        addFn(){
            if(this.name === '' && this.price === ''){
                alert('请输入正确的内容')
            }else{
                this.list.push({
                id: +new Date,
                name:this.name,
                price:this.price,
                time: new Date()
            })
            this.name = '',
            this.price = ''
            }
         
        },
        delFn(id){
            this.list = this.list.filter(item => item.id !== id)
        }
    }
  
  };
  </script>
  
  <style >
  .red{
    color: red;
  }
  </style>